Casting Roll Form Splints, Fiberglass WhiteCasting roll form splints, fiberglass white are medical devices used for immobilizing and protecting injured bones, joints, or muscles. They are made of a strong and lightweight fiberglass material that is shaped into a roll form. The splint is easily moldable when wet, allowing for a custom fit for each patient. Once dry, the splint hardens and provides stability and support to the affected area. This type of splint is often used for casting